The London Telephone Region was an administrative unit of Post Office Telephones in Britain formed in 1936. It comprised all of the
London Telephone Area
020 is the national dialling code for London in the United Kingdom. All subscriber numbers within the area code consist of eight digits and it has capacity for approaching 100 million telephone numbers. The code is used at 170 telephone exch ...
(the area covered by the 01 telephone area code at the time) plus the charging groups adjacent, for example: the Romford Charge Group, comprising Hornchurch, Ingrebourne, Purfleet, Rainham, Romford, South Ockendon, Stapleford and Upminster telephone exchange areas.
The LTR was divided into Areas, such as East and North. East area included the Romford charging group, as above, plus the east sector of the
London Telephone Area
020 is the national dialling code for London in the United Kingdom. All subscriber numbers within the area code consist of eight digits and it has capacity for approaching 100 million telephone numbers. The code is used at 170 telephone exch ...
.
References
External links
see http://www.btplc.com/thegroup/btshistory/btgrouparchives/majorcollections/british_phone_books_final2013_01.pdf
History of telecommunications in the United Kingdom
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